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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 13

  • question_answer
    A solution of sulphur dioxide in water reacts with \[{{H}_{2}}S\] precipitating sulphur. Here sulphur dioxide acts as

    A) an oxidising agent

    B) a reducing agent

    C)  an acid         

    D)  a catalyst.

    Correct Answer: A

    Solution :

    : \[2{{H}_{2}}\overset{-2}{\mathop{S}}\,\underset{Oxidi\sin g\,agent}{\mathop{+{{\overset{+4}{\mathop{SO}}\,}_{2}}}}\,\xrightarrow[{}]{{}}2{{N}_{2}}O+3\overset{0}{\mathop{S}}\,\]


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